Home / 832,474.40-1,148,818.28-450,501.21

Finding the Fourth Proportional to 832,474.40, 1,148,818.28 and 450,501.21

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Solution

The fourth proportional to 832,474.40, 1,148,818.28 and 450,501.21 is: 621,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,474.40 : 1,148,818.28 = 450,501.21 : x
  2. Step 2: Convert to fraction form
    832,474.40/1,148,818.28 = 450,501.21/x
  3. Step 3: Cross multiply
    832,474.40x = 1,148,818.28 × 450,501.21
  4. Step 4: Simplify right side
    832,474.40x = 517,544,022,957.61
  5. Step 5: Solve for x
    x = 517,544,022,957.61/832,474.40
  6. Step 6: Final answer
    x = 621,693.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.